CVE-2021-3725 OS Command Injection in ohmyzsh/ohmyzsh
Attackers can execute arbitrary commands by tricking users into navigating to a maliciously named directory and using history navigation shortcuts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-3725?
CVE-2021-3725 is a high-severity command injection vulnerability in ohmyzsh/ohmyzsh, published on 30 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Vulnerability in dirhistory plugin Description: the widgets that go back and forward in the directory history, triggered by pressing Alt-Left and Alt-Right, use functions that unsafely execute eval on directory names. If you cd into a directory with a carefully-crafted name, then press Alt-Left, the system is subject to command injection. Impacted areas: - Functions pop_past and pop_future in dirhistory plugin.
Which versions are affected by CVE-2021-3725?
It affects 1 product.
Products include Planetargon Oh My Zsh.
How do I fix CVE-2021-3725?
No fix has been published for CVE-2021-3725 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-3725 being exploited?
There is no known exploitation of CVE-2021-3725 in the wild and no public exploit code.
Other vulnerabilities in ohmyzsh/ohmyzsh
Sources
Also known as GHSA-3jcx-v57w-c6rq.